S-90044A207 5/16"-32 x 3/4" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant assemblies in critical machinery.
- Black-oxide coating on alloy steel offers enhanced corrosion resistance and durability, extending service life in harsh environments.
- Extra fine UNEF threads allow for finer adjustments and improved load distribution, ideal for precision engineering and thin materials.
- Fully threaded design ensures consistent engagement along the entire length, maximizing holding power and versatility in various setups.
- Hex socket drive enables easy installation with standard tools, reducing assembly time and minimizing strip-out risks.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees adherence to industry standards and environmental regulations, supporting sustainable procurement.
Professional Applications & Engineering Value
This 5/16"-32 UNEF socket head cap screw is engineered to address common industrial challenges, such as vibration loosening and material fatigue. The black-oxide alloy steel construction, combined with a Rockwell C37 hardness, provides excellent wear resistance and strength, making it suitable for demanding applications in aerospace, automotive, and precision machinery. The extra fine thread design ensures secure fastening in thin-section components, while the Class 3A thread fit minimizes backlash for stable operations. Ideal for use in assemblies requiring high clamp load and reliability, this screw enhances performance in industrial fastening systems where precision and durability are critical.
Specification Summary & Compliance
This product features a Class 3A thread fit with UNEF extra fine threads, ensuring high precision and dimensional accuracy. It complies with ASTM A574 specifications for alloy steel socket head cap screws and is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety standards for industrial use.
